Home / 173,530,331.66-260,123,063.47-87,004,650.98

Finding the Fourth Proportional to 173,530,331.66, 260,123,063.47 and 87,004,650.98

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Solution

The fourth proportional to 173,530,331.66, 260,123,063.47 and 87,004,650.98 is: 130,420,521.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,530,331.66 : 260,123,063.47 = 87,004,650.98 : x
  2. Step 2: Convert to fraction form
    173,530,331.66/260,123,063.47 = 87,004,650.98/x
  3. Step 3: Cross multiply
    173,530,331.66x = 260,123,063.47 × 87,004,650.98
  4. Step 4: Simplify right side
    173,530,331.66x = 22,631,916,349,055,740
  5. Step 5: Solve for x
    x = 22,631,916,349,055,740/173,530,331.66
  6. Step 6: Final answer
    x = 130,420,521.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.